23261655 has 8 divisors (see below), whose sum is σ = 37218672. Its totient is φ = 12406208.

The previous prime is 23261653. The next prime is 23261657. The reversal of 23261655 is 55616232.

It is an interprime number because it is at equal distance from previous prime (23261653) and next prime (23261657).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23261655 - 2¹ = 23261653 is a prime.

It is a super-2 number, since 2×23261655² = 1082209186678050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23261653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 775374 + ... + 775403.

It is an arithmetic number, because the mean of its divisors is an integer number (4652334).

Almost surely, 2^23261655 is an apocalyptic number.

23261655 is a deficient number, since it is larger than the sum of its proper divisors (13957017).

23261655 is a wasteful number, since it uses less digits than its factorization.

23261655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550785.

The product of its digits is 10800, while the sum is 30.

The square root of 23261655 is about 4823.0337962739. The cubic root of 23261655 is about 285.4610573564.

Adding to 23261655 its reverse (55616232), we get a palindrome (78877887).

The spelling of 23261655 in words is "twenty-three million, two hundred sixty-one thousand, six hundred fifty-five".